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View Full Version : Like alittle more power30 omc130hp



Bill Mobley
05-07-2004, 08:03 PM
Ihave a 1990 sunbird with a OMC 3.0 2bbl carb. She runs good-42 mph at 4500 rpms. Like to get additional 3 mph if possible. Is there any bolt on aftermarket parts I can get for motor to achieve this. Thanks

gary
05-08-2004, 01:57 PM
" Try using a higher number pitch prop, such as, if you have a 21P prop go to a 23P. You may lose a bit of take off performance but should get some additional speed. "

boatrep1
05-08-2004, 08:59 PM
" BILL
HOW BIG IS YOUR BOAT?
ARE YOU RUNNING STAINLESS?
WHAT OCTANE FUEL IS IN IT?

I RUN A 17 FOOT SEARAY BOW RIDER WITH A 120 HORSE ALFA ONE MERCRUISER, 93 OCTANE, 12 DEG OF TIMING AND A STAINLESS 19 PITCH CUPPED PROP AT 48 MPH GPS. TAKES ALL DAY TO GET OUT OF THE HOLE BUT THE OLD GIRL REALLY HONKS FOR A 4 BANGER.

I'M BUILDING A (IF MY NUMBERS ARE CORRECT) 175-180 HP WITH A HOLLEY 500 CFM 2V AND AM LOOKING TO GET PRETTY DEEP INTO THE FIFTIES IF MY HULL DESIGN WILL ALLOW IT.

IMAGINE BLOWING BY SOME OF THE BIG LOAD V-8S AND WHEN THEY ASK 'WHATCHA GOT IN IT?'

OH IT'S JUST A FOUR HOLE MERC.

JOY!!!!!

STEVE "

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